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860 lines
24 KiB
860 lines
24 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 2001.
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//
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// File: C O M P O N E N T . C P P
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//
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// Contents: Functions to illustrate
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// o How to enumerate network components.
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// o How to install protocols, clients and services.
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// o How to uninstall protocols, clients and services.
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// o How to bind/unbind network components.
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//
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// Notes:
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//
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// Author: Alok Sinha 15-May-01
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//
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//----------------------------------------------------------------------------
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#include "bindview.h"
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//
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// Function: HandleComponentOperation
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//
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// Purpose: Do component specific functions.
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//
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// Arguments:
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// hwndOwner [in] Owner window.
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// ulSelection [in] Option selected.
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// hItem [in] Item selected.
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// lParam [in] lParam of the item.
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//
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// Returns: None.
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//
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// Notes:
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//
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VOID HandleComponentOperation (HWND hwndOwner,
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ULONG ulSelection,
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HTREEITEM hItem,
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LPARAM lParam)
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{
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switch( ulSelection ) {
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case IDI_BIND_TO:
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case IDI_UNBIND_FROM:
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//
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// Bind/unbind components.
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//
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BindUnbindComponents( hwndOwner,
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hItem,
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(LPWSTR)lParam,
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ulSelection == IDI_BIND_TO );
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}
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return;
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}
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//
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// Function: BindUnbindComponents
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//
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// Purpose: Bind/unbind a network component.
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//
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// Arguments:
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// hwndOwner [in] Owner window.
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// hItem [in] Item handle of the network component.
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// lpszInfId [in] PnpID of the network component.
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// fBindTo [in] if TRUE, bind, otherwise unbind.
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//
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// Returns: None.
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//
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// Notes:
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//
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VOID BindUnbindComponents( HWND hwndOwner,
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HTREEITEM hItem,
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LPWSTR lpszInfId,
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BOOL fBindTo)
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{
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BIND_UNBIND_INFO BindUnbind;
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BindUnbind.lpszInfId = lpszInfId;
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BindUnbind.fBindTo = fBindTo;
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DialogBoxParam( hInstance,
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MAKEINTRESOURCE(IDD_BIND_UNBIND),
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hwndOwner,
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BindComponentDlg,
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(LPARAM)&BindUnbind );
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return;
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}
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//
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// Function: InstallComponent
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//
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// Purpose: Install a network component.
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//
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// Arguments:
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// hwndDlg [in] Owner window.
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// pguidClass [in] Class GUID of type of network component to install.
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//
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// Returns: S_OK on success, otherwise and error code.
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//
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// Notes:
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//
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HRESULT InstallComponent (HWND hwndDlg,
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const GUID *pguidClass)
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{
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INetCfg *pnc;
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INetCfgClass *pncClass;
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INetCfgClassSetup *pncClassSetup;
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LPWSTR lpszApp;
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OBO_TOKEN obo;
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HRESULT hr;
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//
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// Get INetCfg reference.
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//
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hr = HrGetINetCfg( TRUE,
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APP_NAME,
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&pnc,
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&lpszApp );
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if ( hr == S_OK ) {
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//
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// Get network component's class reference.
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//
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hr = pnc->QueryNetCfgClass( pguidClass,
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IID_INetCfgClass,
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(PVOID *)&pncClass );
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if ( hr == S_OK ) {
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//
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// Get Setup class reference.
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//
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hr = pncClass->QueryInterface( IID_INetCfgClassSetup,
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(LPVOID *)&pncClassSetup );
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if ( hr == S_OK ) {
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ZeroMemory( &obo,
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sizeof(OBO_TOKEN) );
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obo.Type = OBO_USER;
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//
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// Let the network class installer prompt the user to select
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// a network component to install.
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//
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hr = pncClassSetup->SelectAndInstall( hwndDlg,
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&obo,
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NULL );
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if ( (hr == S_OK) || (hr == NETCFG_S_REBOOT) ) {
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hr = pnc->Apply();
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if ( (hr != S_OK) && (hr != NETCFG_S_REBOOT) ) {
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ErrMsg( hr,
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L"Couldn't apply the changes after"
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L" installing the network component." );
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}
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}
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else {
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if ( hr != HRESULT_FROM_WIN32(ERROR_CANCELLED) ) {
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ErrMsg( hr,
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L"Couldn't install the network component." );
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}
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}
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ReleaseRef( pncClassSetup );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get an interface to setup class." );
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}
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ReleaseRef( pncClass );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get a pointer to class interface." );
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}
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HrReleaseINetCfg( pnc,
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TRUE );
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}
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else {
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if ( (hr == NETCFG_E_NO_WRITE_LOCK) && lpszApp ) {
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ErrMsg( hr,
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L"%s currently holds the lock, try later.",
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lpszApp );
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CoTaskMemFree( lpszApp );
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}
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else {
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ErrMsg( hr,
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L"Couldn't the get notify object interface." );
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}
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}
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return hr;
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}
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//
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// Function: InstallSpecifiedComponent
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//
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// Purpose: Install a network component from an INF file.
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//
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// Arguments:
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// lpszInfFile [in] INF file.
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// lpszPnpID [in] PnpID of the network component to install.
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// pguidClass [in] Class GUID of the network component.
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//
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// Returns: None.
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//
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// Notes:
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//
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HRESULT InstallSpecifiedComponent (LPWSTR lpszInfFile,
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LPWSTR lpszPnpID,
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const GUID *pguidClass)
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{
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INetCfg *pnc;
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LPWSTR lpszApp;
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HRESULT hr;
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hr = HrGetINetCfg( TRUE,
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APP_NAME,
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&pnc,
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&lpszApp );
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if ( hr == S_OK ) {
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//
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// Install the network component.
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//
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hr = HrInstallNetComponent( pnc,
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lpszPnpID,
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pguidClass,
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lpszInfFile );
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if ( (hr == S_OK) || (hr == NETCFG_S_REBOOT) ) {
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hr = pnc->Apply();
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}
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else {
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if ( hr != HRESULT_FROM_WIN32(ERROR_CANCELLED) ) {
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ErrMsg( hr,
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L"Couldn't install the network component." );
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}
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}
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HrReleaseINetCfg( pnc,
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TRUE );
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}
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else {
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if ( (hr == NETCFG_E_NO_WRITE_LOCK) && lpszApp ) {
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ErrMsg( hr,
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L"%s currently holds the lock, try later.",
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lpszApp );
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CoTaskMemFree( lpszApp );
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}
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else {
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ErrMsg( hr,
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L"Couldn't the get notify object interface." );
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}
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}
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return hr;
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}
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//
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// Function: ListCompToBindUnbind
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//
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// Purpose: List all the components that are bound or bindable.
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//
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// Arguments:
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// lpszInfId [in] PnpID of the network component.
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// uiType [in] Type of network component.
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// hwndTree [in] Tree handle in which to list.
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// fBound [in] if TRUE, list components that are bound.
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//
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// Returns: Number of components listed.
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//
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// Notes:
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//
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DWORD ListCompToBindUnbind (LPWSTR lpszInfId,
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UINT uiType,
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HWND hwndTree,
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BOOL fBound)
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{
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INetCfg *pnc;
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INetCfgComponent *pncc;
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IEnumNetCfgComponent *pencc;
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INetCfgComponentBindings *pnccb;
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INetCfgComponent *pnccToBindUnbind;
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LPWSTR lpszApp;
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DWORD dwCount;
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HRESULT hr;
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dwCount = 0;
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hr = HrGetINetCfg( TRUE,
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APP_NAME,
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&pnc,
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&lpszApp );
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if ( hr == S_OK ) {
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//
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// Get a reference to the network component selected.
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//
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hr = pnc->FindComponent( lpszInfId,
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&pncc );
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if ( hr == S_OK ) {
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//
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// Get Component Enumerator Interface.
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//
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hr = HrGetComponentEnum( pnc,
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pguidNetClass[uiType],
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&pencc );
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if ( hr == S_OK ) {
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hr = pncc->QueryInterface( IID_INetCfgComponentBindings,
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(PVOID *)&pnccb );
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if ( hr == S_OK ) {
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hr = HrGetFirstComponent( pencc, &pnccToBindUnbind );
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while( hr == S_OK ) {
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hr = pnccb->IsBoundTo( pnccToBindUnbind );
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//
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// fBound = TRUE ==> Want to list components that are
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// bound.
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//
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if ( fBound ) {
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if ( hr == S_OK ) {
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AddToTree( hwndTree,
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TVI_ROOT,
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pnccToBindUnbind );
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dwCount++;
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}
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}
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else {
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//
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// fBound = FALSE ==> Want to list components that
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// are not bound but are bindable.
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//
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if ( hr == S_FALSE ) {
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hr = pnccb->IsBindableTo( pnccToBindUnbind );
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if ( hr == S_OK ) {
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AddToTree( hwndTree,
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TVI_ROOT,
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pnccToBindUnbind );
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dwCount++;
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}
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}
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}
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ReleaseRef( pnccToBindUnbind );
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hr = HrGetNextComponent( pencc, &pnccToBindUnbind );
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}
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ReleaseRef( pnccb );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get the component binding interface "
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L"of %s.",
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lpszInfId );
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}
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ReleaseRef( pencc );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get the network component enumerator "
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L"interface." );
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}
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ReleaseRef( pncc );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get an interface pointer to %s.",
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lpszInfId );
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}
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HrReleaseINetCfg( pnc,
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TRUE );
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}
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else {
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if ( (hr == NETCFG_E_NO_WRITE_LOCK) && lpszApp ) {
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ErrMsg( hr,
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L"%s currently holds the lock, try later.",
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lpszApp );
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CoTaskMemFree( lpszApp );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get the notify object interface." );
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}
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}
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return dwCount;
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}
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//
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// Function: BindUnbind
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//
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// Purpose: Bind/unbind a network component.
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//
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// Arguments:
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// lpszInfId [in] PnpID of the network component to bind/unbind.
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// hwndTree [in] Tree handle.
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// fBind [in] if TRUE, bind, otherwise unbind.
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//
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// Returns: TRUE on success.
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//
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// Notes:
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//
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BOOL BindUnbind (LPWSTR lpszInfId,
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HWND hwndTree,
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BOOL fBind)
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{
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INetCfg *pnc;
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INetCfgComponent *pncc;
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INetCfgComponentBindings *pnccb;
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INetCfgComponent *pnccToBindUnbind;
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LPWSTR lpszApp;
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HTREEITEM hTreeItem;
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TVITEMW tvItem;
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HRESULT hr;
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BOOL fChange;
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hr = HrGetINetCfg( TRUE,
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APP_NAME,
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&pnc,
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&lpszApp );
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fChange = FALSE;
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if ( hr == S_OK ) {
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//
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// Get a reference to the network component.
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//
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hr = pnc->FindComponent( lpszInfId,
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&pncc );
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if ( hr == S_OK ) {
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//
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// Get a reference to the component's binding.
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//
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hr = pncc->QueryInterface( IID_INetCfgComponentBindings,
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(PVOID *)&pnccb );
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if ( hr == S_OK ) {
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//
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// Start with the root item.
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//
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hTreeItem = TreeView_GetRoot( hwndTree );
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//
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// Bind/unbind the network component with every component
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// that is checked.
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//
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while ( hTreeItem ) {
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ZeroMemory( &tvItem,
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sizeof(TVITEMW) );
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tvItem.hItem = hTreeItem;
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tvItem.mask = TVIF_PARAM | TVIF_STATE;
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tvItem.stateMask = TVIS_STATEIMAGEMASK;
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if ( TreeView_GetItem(hwndTree,
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&tvItem) ) {
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//
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// Is the network component selected?
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//
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if ( (tvItem.state >> 12) == 2 ) {
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//
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// Get a reference to the selected component.
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//
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hr = pnc->FindComponent( (LPWSTR)tvItem.lParam,
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&pnccToBindUnbind );
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if ( hr == S_OK ) {
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if ( fBind ) {
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//
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// Bind the component to the selected component.
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//
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hr = pnccb->BindTo( pnccToBindUnbind );
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if ( !fChange ) {
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fChange = hr == S_OK;
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}
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if ( hr != S_OK ) {
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ErrMsg( hr,
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L"%s couldn't be bound to %s.",
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lpszInfId, (LPWSTR)tvItem.lParam );
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}
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}
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else {
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//
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// Unbind the component from the selected component.
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//
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hr = pnccb->UnbindFrom( pnccToBindUnbind );
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if ( !fChange ) {
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fChange = hr == S_OK;
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}
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if ( hr != S_OK ) {
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ErrMsg( hr,
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L"%s couldn't be unbound from %s.",
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lpszInfId, (LPWSTR)tvItem.lParam );
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}
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}
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ReleaseRef( pnccToBindUnbind );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get an interface pointer to %s. "
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L"%s will not be bound to it.",
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(LPWSTR)tvItem.lParam,
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lpszInfId );
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}
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}
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}
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//
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// Get the next item.
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//
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hTreeItem = TreeView_GetNextSibling( hwndTree,
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hTreeItem );
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}
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ReleaseRef( pnccb );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get a binding interface of %s.",
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lpszInfId );
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}
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ReleaseRef( pncc );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get an interface pointer to %s.",
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lpszInfId );
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}
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|
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//
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// If one or more network components have been bound/unbound,
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// apply the changes.
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//
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if ( fChange ) {
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hr = pnc->Apply();
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fChange = hr == S_OK;
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}
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HrReleaseINetCfg( pnc,
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TRUE );
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}
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else {
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if ( (hr == NETCFG_E_NO_WRITE_LOCK) && lpszApp ) {
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ErrMsg( hr,
|
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L"%s currently holds the lock, try later.",
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lpszApp );
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|
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CoTaskMemFree( lpszApp );
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}
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else {
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ErrMsg( hr,
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L"Couldn't get the notify object interface." );
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}
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}
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return fChange;
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}
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|
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//
|
|
// Function: ListInstalledComponents
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|
//
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// Purpose: List installed network components of specific class.
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//
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|
// Arguments:
|
|
// hwndTree [in] Tree handle in which to list.
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|
// pguidClass [in] Class GUID of the network compoent class.
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//
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// Returns: None.
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|
//
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|
// Notes:
|
|
//
|
|
|
|
VOID ListInstalledComponents (HWND hwndTree,
|
|
const GUID *pguidClass)
|
|
{
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|
INetCfg *pnc;
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IEnumNetCfgComponent *pencc;
|
|
INetCfgComponent *pncc;
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|
LPWSTR lpszApp;
|
|
HTREEITEM hTreeItem;
|
|
HRESULT hr;
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|
|
|
|
|
hr = HrGetINetCfg( FALSE,
|
|
APP_NAME,
|
|
&pnc,
|
|
&lpszApp );
|
|
|
|
if ( hr == S_OK ) {
|
|
|
|
//
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|
// Get Component Enumerator Interface.
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|
//
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|
|
|
hr = HrGetComponentEnum( pnc,
|
|
pguidClass,
|
|
&pencc );
|
|
if ( hr == S_OK ) {
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|
|
|
hr = HrGetFirstComponent( pencc, &pncc );
|
|
|
|
while( hr == S_OK ) {
|
|
|
|
//
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|
// Add an item to the tree for the network component.
|
|
//
|
|
|
|
hTreeItem = AddToTree( hwndTree,
|
|
TVI_ROOT,
|
|
pncc );
|
|
|
|
ReleaseRef( pncc );
|
|
|
|
hr = HrGetNextComponent( pencc, &pncc );
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|
}
|
|
|
|
ReleaseRef( pencc );
|
|
}
|
|
else {
|
|
ErrMsg( hr,
|
|
L"Failed to get the network component enumerator." );
|
|
}
|
|
|
|
HrReleaseINetCfg( pnc, FALSE );
|
|
}
|
|
else {
|
|
if ( (hr == NETCFG_E_NO_WRITE_LOCK) && lpszApp ) {
|
|
ErrMsg( hr,
|
|
L"%s currently holds the lock, try later.",
|
|
lpszApp );
|
|
|
|
CoTaskMemFree( lpszApp );
|
|
}
|
|
else {
|
|
ErrMsg( hr,
|
|
L"Couldn't get the notify object interface." );
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
//
|
|
// Function: UninstallComponent
|
|
//
|
|
// Purpose: Uninstall a network component.
|
|
//
|
|
// Arguments:
|
|
// lpszInfId [in] PnpID of the network component to uninstall.
|
|
//
|
|
// Returns: S_OK on success, otherwise an error code.
|
|
//
|
|
// Notes:
|
|
//
|
|
|
|
HRESULT UninstallComponent (LPWSTR lpszInfId)
|
|
{
|
|
INetCfg *pnc;
|
|
INetCfgComponent *pncc;
|
|
INetCfgClass *pncClass;
|
|
INetCfgClassSetup *pncClassSetup;
|
|
LPWSTR lpszApp;
|
|
GUID guidClass;
|
|
OBO_TOKEN obo;
|
|
HRESULT hr;
|
|
|
|
hr = HrGetINetCfg( TRUE,
|
|
APP_NAME,
|
|
&pnc,
|
|
&lpszApp );
|
|
|
|
if ( hr == S_OK ) {
|
|
|
|
//
|
|
// Get a reference to the network component to uninstall.
|
|
//
|
|
|
|
hr = pnc->FindComponent( lpszInfId,
|
|
&pncc );
|
|
|
|
if ( hr == S_OK ) {
|
|
|
|
//
|
|
// Get the class GUID.
|
|
//
|
|
|
|
hr = pncc->GetClassGuid( &guidClass );
|
|
|
|
if ( hr == S_OK ) {
|
|
|
|
//
|
|
// Get a reference to component's class.
|
|
//
|
|
|
|
hr = pnc->QueryNetCfgClass( &guidClass,
|
|
IID_INetCfgClass,
|
|
(PVOID *)&pncClass );
|
|
if ( hr == S_OK ) {
|
|
|
|
//
|
|
// Get the setup interface.
|
|
//
|
|
|
|
hr = pncClass->QueryInterface( IID_INetCfgClassSetup,
|
|
(LPVOID *)&pncClassSetup );
|
|
|
|
if ( hr == S_OK ) {
|
|
|
|
//
|
|
// Uninstall the component.
|
|
//
|
|
|
|
ZeroMemory( &obo,
|
|
sizeof(OBO_TOKEN) );
|
|
|
|
obo.Type = OBO_USER;
|
|
|
|
hr = pncClassSetup->DeInstall( pncc,
|
|
&obo,
|
|
NULL );
|
|
if ( (hr == S_OK) || (hr == NETCFG_S_REBOOT) ) {
|
|
|
|
hr = pnc->Apply();
|
|
|
|
if ( (hr != S_OK) && (hr != NETCFG_S_REBOOT) ) {
|
|
ErrMsg( hr,
|
|
L"Couldn't apply the changes after"
|
|
L" uninstalling %s.",
|
|
lpszInfId );
|
|
}
|
|
}
|
|
else {
|
|
ErrMsg( hr,
|
|
L"Failed to uninstall %s.",
|
|
lpszInfId );
|
|
}
|
|
|
|
ReleaseRef( pncClassSetup );
|
|
}
|
|
else {
|
|
ErrMsg( hr,
|
|
L"Couldn't get an interface to setup class." );
|
|
}
|
|
|
|
ReleaseRef( pncClass );
|
|
}
|
|
else {
|
|
ErrMsg( hr,
|
|
L"Couldn't get a pointer to class interface "
|
|
L"of %s.",
|
|
lpszInfId );
|
|
}
|
|
}
|
|
else {
|
|
ErrMsg( hr,
|
|
L"Couldn't get the class guid of %s.",
|
|
lpszInfId );
|
|
}
|
|
|
|
ReleaseRef( pncc );
|
|
}
|
|
else {
|
|
ErrMsg( hr,
|
|
L"Couldn't get an interface pointer to %s.",
|
|
lpszInfId );
|
|
}
|
|
|
|
HrReleaseINetCfg( pnc,
|
|
TRUE );
|
|
}
|
|
else {
|
|
if ( (hr == NETCFG_E_NO_WRITE_LOCK) && lpszApp ) {
|
|
ErrMsg( hr,
|
|
L"%s currently holds the lock, try later.",
|
|
lpszApp );
|
|
|
|
CoTaskMemFree( lpszApp );
|
|
}
|
|
else {
|
|
ErrMsg( hr,
|
|
L"Couldn't get the notify object interface." );
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|